Radio Replacement Interface (29-Bit Interface for 2007 GM(R) vehicles with No OnStar(R) System) Subwoofers & Tweeters tool locks in place &

tool locks in place & handle is pushed counterclockwise to loosen turn knob & release lid

Aux inputs switchable between line level & phono input

Polybag packaging

Indoor/outdoor

Flexible design

Radio Replacement Interface (29-Bit Interface for 2007 GM(R) vehicles with No OnStar(R) System) Subwoofers & Tweeters tool locks in place &Replicates factory warning chimes & provides a databus generated 12V accessory power output that is fully compatible with the GM(R) RAP system; Keeps the radio powered after key off; Issues data commands that maintain a health system status to other vehicle's systems; Retains all warning chimes including backup chimes, memory seats, low fuel, door hatch ajar & others; Retains RAP system when key is turned off radio stays on for approximately 10 min or